There are plenty of synonyms for the phrase "of Rome." These synonyms can help to replace the phrase in different contexts. Some of the most common synonyms for "of Rome" include "Roman," which can be used to describe anything originating from the city. Another synonym is "Rome-based," which can be used in a business or organizational context. Other options include "Italian," which could work in some situations, and "Imperial," which can refer to the Roman Empire. Finally, "Eternal City" is a popular, poetic synonym for the phrase "of Rome," which can be used to evoke a sense of timelessness and grandeur.